DE60040145D1 - Verfahren und vorrichtung zur korrektur des frequenzversatzes - Google Patents

Verfahren und vorrichtung zur korrektur des frequenzversatzes

Info

Publication number
DE60040145D1
DE60040145D1 DE60040145T DE60040145T DE60040145D1 DE 60040145 D1 DE60040145 D1 DE 60040145D1 DE 60040145 T DE60040145 T DE 60040145T DE 60040145 T DE60040145 T DE 60040145T DE 60040145 D1 DE60040145 D1 DE 60040145D1
Authority
DE
Germany
Prior art keywords
correcting
frequency office
office
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE60040145T
Other languages
English (en)
Inventor
Funyun Ling
Peter J Black
Kenneth D Easton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qualcomm Inc
Original Assignee
Qualcomm Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qualcomm Inc filed Critical Qualcomm Inc
Application granted granted Critical
Publication of DE60040145D1 publication Critical patent/DE60040145D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7073—Synchronisation aspects
    • H04B1/7075—Synchronisation aspects with code phase acquisition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
    • H04L27/22—Demodulator circuits; Receiver circuits
    • H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
    • H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/709—Correlator structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0024—Carrier regulation at the receiver end
    • H04L2027/0026—Correction of carrier offset
    • H04L2027/003—Correction of carrier offset at baseband only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0014—Carrier regulation
    • H04L2027/0044—Control loops for carrier regulation
    • H04L2027/0053—Closed loops
    • H04L2027/0057—Closed loops quadrature phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Channel Selection Circuits, Automatic Tuning Circuits (AREA)
DE60040145T 1999-04-23 2000-04-21 Verfahren und vorrichtung zur korrektur des frequenzversatzes Expired - Lifetime DE60040145D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/298,252 US6363102B1 (en) 1999-04-23 1999-04-23 Method and apparatus for frequency offset correction
PCT/US2000/010743 WO2000065797A1 (en) 1999-04-23 2000-04-21 Method and apparatus for frequency offset correction

Publications (1)

Publication Number Publication Date
DE60040145D1 true DE60040145D1 (de) 2008-10-16

Family

ID=23149711

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60040145T Expired - Lifetime DE60040145D1 (de) 1999-04-23 2000-04-21 Verfahren und vorrichtung zur korrektur des frequenzversatzes

Country Status (10)

Country Link
US (1) US6363102B1 (de)
EP (1) EP1173961B1 (de)
JP (1) JP4444517B2 (de)
KR (1) KR100782313B1 (de)
CN (1) CN100391206C (de)
AU (1) AU4366600A (de)
BR (1) BR0009922A (de)
DE (1) DE60040145D1 (de)
HK (1) HK1045229B (de)
WO (1) WO2000065797A1 (de)

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Also Published As

Publication number Publication date
KR100782313B1 (ko) 2007-12-06
WO2000065797A1 (en) 2000-11-02
JP2002543674A (ja) 2002-12-17
EP1173961B1 (de) 2008-09-03
CN100391206C (zh) 2008-05-28
BR0009922A (pt) 2002-04-09
AU4366600A (en) 2000-11-10
KR20010110802A (ko) 2001-12-13
CN1358385A (zh) 2002-07-10
EP1173961A1 (de) 2002-01-23
HK1045229A1 (en) 2002-11-15
JP4444517B2 (ja) 2010-03-31
US6363102B1 (en) 2002-03-26
HK1045229B (zh) 2009-01-30

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